Edit typo in User Guide

chenzaza · chenzaza · commit a284c865314a · 2021-02-18T23:47:59.000+08:00
diff --git a/docs/README.md b/docs/README.md
@@ -126,7 +126,7 @@ Format:
 
 Example:
 
-`done 1`
+`delete 1`
 
 Message from Monica:
 
